Home / 203,947,511.31-306,011,695.77-106,880,140.71

Finding the Fourth Proportional to 203,947,511.31, 306,011,695.77 and 106,880,140.71

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Solution

The fourth proportional to 203,947,511.31, 306,011,695.77 and 106,880,140.71 is: 160,367,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,947,511.31 : 306,011,695.77 = 106,880,140.71 : x
  2. Step 2: Convert to fraction form
    203,947,511.31/306,011,695.77 = 106,880,140.71/x
  3. Step 3: Cross multiply
    203,947,511.31x = 306,011,695.77 × 106,880,140.71
  4. Step 4: Simplify right side
    203,947,511.31x = 32,706,573,102,803,308
  5. Step 5: Solve for x
    x = 32,706,573,102,803,308/203,947,511.31
  6. Step 6: Final answer
    x = 160,367,600.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.